/*
 * QEMU Bitbang Ethernet MDIO bus & PHY controllers.
 *
 * Copyright (c) 2008 Edgar E. Iglesias, Axis Communications AB.
 * Copyright (c) 2016 Xilinx Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef MDIO_H
#define MDIO_H

#include "migration/vmstate.h"
#include "hw/sysbus.h"

#define TYPE_MDIO "mdio"
#define MDIO(obj) OBJECT_CHECK(MDIO, (obj), TYPE_MDIO)

typedef struct MDIO {
    SysBusDevice parent_obj;

    uint16_t (*read)(struct MDIO *bus, uint8_t addr, uint8_t req);
    void (*write)(struct MDIO *bus, uint8_t addr, uint8_t req,
                  uint16_t data);

    struct MDIOBus *bus;
} MDIO;

typedef struct MDIOClass {
    SysBusDeviceClass parent_class;
} MDIOClass;

#endif
